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Q-466 BUNA 70 Q RING

Buna-N Quad-Ring, 18.455 in ID x 0.275 CS, 70A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
20 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
466
Durometer
70 Shore A
Cross Section Type
Quad
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/4 inch
Nominal Inside Diameter
18 1/2 inch
Nominal Outside Diameter
19 inch
Unit of Measure
EA
SKU:
QH70466

Product Specification

-
Part number QH70466 is an AS568-466 black Buna-N (Nitrile) 70 Shore A Quad-Ring built to an inside diameter of 18.455 in (468.76 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 19.005 in (482.73 mm). A quad-ring provides a dual sealing band on each contact face for improved reliability.

Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. It resists petroleum-based oils, propane and butane, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in strong acids or ozone and direct sunlight. The profile itself contributes two sealing bands per contact face rather than one and resistance to the spiral twisting that defeats round-section rings.

Common environments for this compound include construction equipment, hydraulic and pneumatic systems, and general industrial maintenance.

This item is sold individually under part number QH70466. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
QH70466
Description
Q-466 BUNA 70 Q RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
18.455 inch (468.76 mm)
Actual Outside Diameter
19.005 inch (482.73 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6017
Product Category
O-Rings - Square/Quad - Commodity